Tumor size was larger in the extensive LNM group (1.60 ± 0.40 vs. 1.56 ± 0.39, p=0.001), and the Ki67 level was higher (28.84% ± 20.02% vs. 27.02% ± 19.73%, p=0.011). The gene discussed is MKI67; the disease is neoplasm.